| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
imide im·ide (ĭm'īd')
n.
A compound derived from ammonia and containing the bivalent NH group combined with a bivalent acid group or two monovalent acid groups.
| imide (ĭm'īd') Pronunciation Key
A compound derived from ammonia and containing the bivalent NH group combined with a bivalent acid group or two monovalent acid groups. Peptides and proteins are chains of imides formed when two amino acids are joined by a peptide bond. |